<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<input type="text" placeholder="请输入1-100之间的整数" id="d1" >
<input type="button" value="猜一猜"onclick="f()">
<div></div>

<script>
    let x=parseInt(Math.random()*100)+1;
    let count=0;
    function f() {
        count++
        let i=document.querySelector("#d1");
        let d=document.querySelector("div");
        if (i.value<x){
            d.innerText="猜小了"
        }else if (i.value>x){
            d.innerText="猜大了"
        }else {
            d.innerText="恭喜第"+count+"你猜对了"
        }
    }
</script>
</body>
</html>